JPH0235231A - Torsion spring assembling device - Google Patents
Torsion spring assembling deviceInfo
- Publication number
- JPH0235231A JPH0235231A JP63182599A JP18259988A JPH0235231A JP H0235231 A JPH0235231 A JP H0235231A JP 63182599 A JP63182599 A JP 63182599A JP 18259988 A JP18259988 A JP 18259988A JP H0235231 A JPH0235231 A JP H0235231A
- Authority
- JP
- Japan
- Prior art keywords
- torsion spring
- coil
- shaft portion
- spring
- leg
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009434 installation Methods 0.000 abstract description 2
- 210000000078 claw Anatomy 0.000 description 8
- 230000005484 gravity Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/048—Springs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53613—Spring applier or remover
- Y10T29/53622—Helical spring
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は１・−ジョンハネを取（＝Ｊ部部材に取り（＝
１ける１・−ジョンバネの組立装置に関するものであり
、特に詳細にはＩ・−ジョンバネを取何部制に確実に係
合させることのできるトーションバネの組立装置に関す
るものである。Detailed Description of the Invention (Industrial Field of Application) The present invention is based on the following features:
The present invention relates to a torsion spring assembly device that can reliably engage an I.-john spring in multiple parts.
（従来の技術）
周知のようにトーションバネは種々の装置において付勢
手段として広く用いられており、例えばビデオテープカ
セットのガードパネルの（＝ｌ勢手段としても用いられ
ている。上記トーションバネは、そのコイル部が取付部
月例の円柱状の軸部に嵌着されることにより該取（＝１
部材に取り付けられるものであり、かかる数例けを行な
う組立装置としては、第４図に示すものが知られている
。(Prior Art) As is well known, torsion springs are widely used as biasing means in various devices, for example, they are also used as biasing means for guard panels of video tape cassettes. , the coil part is fitted to the cylindrical shaft part of the mounting part (=1
The assembly device shown in FIG. 4 is known as an assembly device that performs several such operations.
図示の組立装置は、トーションバネ１を取付部祠である
ガードパネル２の軸支手段３に取り付けるものであり、
ガードパネル２は固定治具５により端部を支持されて基
板６上に配されている。上記輔支手段３は円柱状の軸部
３Ａと、この軸部の周面に該軸部と垂直方向に植設され
たコイル係止突部３Ｂとからなっている。一方上記トー
ションバネ１は、略直線状の脚部ＩＡと、この脚部に連
設されたコイル部ＩＢと、このコイル部に連設されてコ
イル部の半径方向に延びた係合部１ｃとがらなっており
、図示しないトーションバネ供給手段から１つずつ分離
され、バネ移動手段８の一対の爪部７Ａ、７Ｂに把持さ
れて、上記軸支手段３」二に嵌着される。すなわち、バ
ネ移動手段８は、図示のようにトーションバネのコイル
部ＩＢを把持した後、まずコイル部の中心軸が上記軸部
３Ａの中心軸と一致するようにコイル部の位置を合わせ
、続いて１・−ンヨンバネ］を軸部３Ａの中心軸に沿っ
て矢印Ａ方向に移動させてコイル部ＩＢを軸部３Ａ上に
嵌着させる。なお、その際にトーションバネの係合部Ｉ
Ｃはトーションバネの移動方向において支軸３のコイル
係止突部３Ｂと重なり合わない位置に配されている。The illustrated assembly device attaches the torsion spring 1 to the pivot means 3 of the guard panel 2, which is the attachment part shrine,
The guard panel 2 is disposed on a substrate 6 with its end supported by a fixing jig 5. The support means 3 is composed of a columnar shaft portion 3A and a coil locking protrusion 3B planted on the circumferential surface of the shaft portion in a direction perpendicular to the shaft portion. On the other hand, the torsion spring 1 includes a substantially straight leg IA, a coil part IB connected to the leg, and an engaging part 1c connected to the coil part and extending in the radial direction of the coil part. They are separated one by one from a torsion spring supply means (not shown), gripped by a pair of claws 7A and 7B of the spring moving means 8, and fitted onto the shaft support means 3''. That is, after gripping the coil part IB of the torsion spring as shown in the figure, the spring moving means 8 first aligns the coil part so that the central axis of the coil part coincides with the central axis of the shaft part 3A, and then The coil portion IB is fitted onto the shaft portion 3A by moving the spring in the direction of arrow A along the central axis of the shaft portion 3A. In addition, at this time, the engagement part I of the torsion spring
C is arranged at a position that does not overlap with the coil locking protrusion 3B of the support shaft 3 in the moving direction of the torsion spring.
上記１・−ジョンハネは、第５図（ａ）に示すように、
コイル係止突部３Ｂが係合部］Ｃとコイル部ＩＢの間に
位置するまでハネ移動手段８により移動せしめられ、バ
ネ移動手段８は、１・−ジョンハネ１を第５図（ａ）に
示す位置に配すると爪部７Ａ、７Ｂを開いて」１方に退
却する。第５図（ａ）の状態において爪部７Ａ、７Ｂか
ら解放されたトンヨンバネ１は、その重心がコイル部１
Ｂの中心より脚部ＩＡ側に片寄っているので、脚部］Ａ
の自重により、軸部３Ａを中心として矢印Ｂ方向に回転
する。この回転により、第５図（ｂ）に示すように係合
部１Ｃが倒されて上記コイル係止突部３Ｂと係合する。The above 1.-Johnhane is as shown in Figure 5(a),
The coil locking protrusion 3B is moved by the spring moving means 8 until it is located between the engaging part C and the coil part IB, and the spring moving means 8 moves the spring 1 to the position shown in FIG. 5(a). When placed in the position shown, the claws 7A and 7B are opened and the robot retreats in one direction. In the state shown in FIG. 5(a), the spring 1 released from the claw parts 7A and 7B has its center of gravity at the coil part 1.
Since it is biased towards the leg IA side from the center of B, the leg ]A
Due to its own weight, it rotates in the direction of arrow B around the shaft portion 3A. As a result of this rotation, the engaging portion 1C is brought down and engaged with the coil locking protrusion 3B as shown in FIG. 5(b).
ｌ・−ンヨンバネか第５図（ｂ）に示す状態になると、
ガードパネル２は固定治具に固定されたまま次工程に送
られる。When the spring is in the state shown in Figure 5(b),
The guard panel 2 is sent to the next process while being fixed to the fixture.
（発明が解決しようとする課題）
しかしながら、」１記のようにトーションバネを軸部に
嵌着させた後の係合部とコイル係止突部の係合を脚部の
自重により行なっていると、トーションバネの取り（＝
Ｉけを高速で行なった場合には係合不良が発生し易く、
確実な係合が保証されないという不都合がある。また、
何らかの要請により１・−ンヨンバネの形状か変化して
脚部側への重心の偏りか小さくなった場合にも、上記係
合を確実に行なうことができなくなる。(Problem to be Solved by the Invention) However, as described in item 1, after the torsion spring is fitted to the shaft, the engaging portion and the coil locking protrusion are engaged by the weight of the leg. And, removing the torsion spring (=
If the I-cut is performed at high speed, poor engagement is likely to occur.
A disadvantage is that reliable engagement is not guaranteed. Also,
Even if the shape of the spring changes due to some request and the center of gravity shifts toward the leg side, the above-mentioned engagement cannot be performed reliably.
本発明は上記の問題点に鑑みてなされたものであり、１
・−ジョンバネの形状の変化や取り付けの高速化がなさ
れた場合にも、トーションバネの係合部と取付部材のコ
イル係止突部の係合を確実に行なうことのできる１・−
ジョンバネの組立装置を提供することを目的とするもの
である。The present invention has been made in view of the above problems, and includes:
・-Even if the shape of the torsion spring changes or the speed of installation increases, the engagement part of the torsion spring and the coil locking protrusion of the mounting member can be reliably engaged 1--
The object of the present invention is to provide a John spring assembly device.
（課題を解決するための手段および作用）本発明のトー
ションバネの組立装置は、トーションバネを把持して該
トーションバネのコイル部を取付部材の軸部に嵌着させ
る前述したバネ移動手段とともに、トーションバネの脚
部を押圧してｉ・−ジョンバネを軸部の周方向に回転さ
せ、トーションバネの係合部を取付部材のコイル係止突
部に係合させる押圧手段を備え、外力により確実に脚部
を押して１・−ジョンバネに回転力を与え、上記係合部
とコイル係止突部の係合を迅速かつ確実に行なうように
したことを特徴とするものである。(Means and Effects for Solving the Problems) The torsion spring assembly device of the present invention includes the aforementioned spring moving means for gripping the torsion spring and fitting the coil portion of the torsion spring onto the shaft portion of the mounting member. Equipped with a pressing means that presses the legs of the torsion spring to rotate the i-joon spring in the circumferential direction of the shaft part, and engages the engaging part of the torsion spring with the coil locking protrusion of the mounting member. The present invention is characterized in that the leg portion is pushed to apply a rotational force to the 1-john spring, so that the engagement portion and the coil locking protrusion are quickly and reliably engaged.
（実 施 例）
以下、図面を参照して本発明の実施例について説明する
。(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.
第１図は本発明の一実施例によるトーションバネの組立
装置の斜視図である。なお、前述した第４図に示した装
置と同一部分には同一番号を付し、その説明は省略する
。FIG. 1 is a perspective view of a torsion spring assembly apparatus according to an embodiment of the present invention. Note that the same parts as those of the apparatus shown in FIG. 4 described above are given the same numbers, and the explanation thereof will be omitted.
図示の装置において、１・−ジョンバネ１を把持してガ
ードパネル２の支軸３に嵌着させるバネ移動手段８には
、エアシリンダ１０が一体的に取りイζｊけられており
、エアシリンダ１０の」１下動可能なロッドＩＯＡの下
端部には、押圧片１１が取り付けられている。本実施例
においては、上記エアシリンダ１０と押圧片１１とによ
り押圧手段が構成されている。In the illustrated device, an air cylinder 10 is integrally installed in the spring moving means 8 for gripping the spring 1 and fitting it onto the support shaft 3 of the guard panel 2. A pressing piece 11 is attached to the lower end of the rod IOA that can be moved downward. In this embodiment, the air cylinder 10 and the pressing piece 11 constitute a pressing means.
トーションバネ］は、まず図示のようにハネ移動手段８
の爪部７Ａ、７Ｂに把持されて、１・−ジョンバネ１の
係合部ＩＣが支軸３のコイル係止突部３Ｂと重なり合わ
ない位置において矢印Ａ方向に移動せしめられ、コイル
部１Ｂが支軸３の輔部３Ａに嵌着される。またコイル部
ＩＢか嵌着された際に、コイル係止突部３Ｂは上記移動
の方向において係合部ＩＣとコイル部ＩＢの間に位置す
る。First, the torsion spring is connected to the spring moving means 8 as shown in the figure.
is gripped by the claws 7A and 7B of the spring 1, and is moved in the direction of arrow A to a position where the engaging portion IC of the spring 1 does not overlap the coil locking protrusion 3B of the support shaft 3, and the coil portion 1B is moved. It is fitted into the rib portion 3A of the support shaft 3. Further, when the coil portion IB is fitted, the coil locking protrusion 3B is located between the engaging portion IC and the coil portion IB in the direction of movement.
軸部３Ａにコイル部ＩＢか嵌着されて、爪部７Ａ。The coil part IB is fitted onto the shaft part 3A to form the claw part 7A.
７Ｂかコイル部１Ｂを離した状態を第２図（ａ）に示す
。FIG. 2(a) shows a state in which the coil portion 7B and the coil portion 1B are separated.
上述したように押圧片１１はバネ移動手段８に一体的に
取りイ」けられ、移動手段とともに移動するので、押圧
片は常に図示のように爪部７Ａ、７Ｂの近傍にある。爪
部７Ａ、７Ｂかコイル部ＩＢを離すと、第２図（ｂ）に
示ずように押圧片１１はエアシリンダ１０か作動するこ
とにより下降を開始して脚部］Ａに接し、さらに下降を
続けて脚部ＩＡを下方に押し出す。これによりトーショ
ンバネ１は回転力を与えられて軸部３Ａを中心として回
転し、第２図（Ｃ）に示すように係合部１Ｃはコイル係
止突部３Ｂと係合せしめられる。係合部ＩＣとコイル係
止突部２Ｂの係合が完了すると、バネ移動手段８は上昇
して次のトーションバネを把持する位置に戻り、押圧片
目はエアシリンダにより第２図（ａ）に示す待機位置ま
で上昇せしめられる。As described above, the pressing piece 11 is integrally attached to the spring moving means 8 and moves together with the moving means, so that the pressing piece 11 is always in the vicinity of the claws 7A and 7B as shown. When the claw parts 7A, 7B or the coil part IB are released, the pressing piece 11 starts to descend by operating the air cylinder 10, comes into contact with the leg part A, and further descends, as shown in FIG. 2(b). Continue pushing leg IA downward. As a result, the torsion spring 1 is given a rotational force and rotates around the shaft portion 3A, and the engaging portion 1C is brought into engagement with the coil locking protrusion 3B as shown in FIG. 2(C). When the engagement between the engaging portion IC and the coil locking protrusion 2B is completed, the spring moving means 8 rises and returns to the position where it grips the next torsion spring, and the pressing eye is moved to the position shown in FIG. 2(a) by an air cylinder. It is raised to the standby position shown.
このように脚部に積極的に押圧力を加えるようにすれば
、１・−ジョンハネの係合部と支軸のコイル係止突部と
の係合を高速かつ確実に行なうことかできる。By positively applying a pressing force to the leg portions in this manner, the engagement portion of the 1.-john hook and the coil locking protrusion of the support shaft can be engaged quickly and reliably.
なお、押圧手段は上述したエアシリンダと押圧片とから
なるものに限られるものではなく、例えば第３図に示す
ように、ハネ移動手段８に取りイτｊけられたエアノズ
ル１２てあってもよい。このエアノズル１２は１・−ン
ヨンハネの脚部］、Ａを押しＦげる際に、脚部に接触せ
ずにエアを吹きつけ、エアの圧力により脚部ＩＡを回動
させるものである。Note that the pressing means is not limited to the above-mentioned one consisting of the air cylinder and the pressing piece, but may also include, for example, an air nozzle 12 installed in the spring moving means 8, as shown in FIG. . This air nozzle 12 blows air without contacting the legs when pushing and lifting the legs A and rotates the legs IA by the pressure of the air.
なお、いずれの実施例においても押圧手段は必すしもバ
ネ移動手段に取り（＝１けられている必要はなく、基板
に固定されて支軸の近傍に配されていてもよい。また本
発明の組立装置はガードパネル以外の部品にトーンヨン
ハネを取りイ・１ける装置としても用いることかできる
ことは言うまでもない。Incidentally, in any of the embodiments, the pressing means does not necessarily have to be a spring moving means (=1), but may be fixed to the substrate and disposed near the spindle. It goes without saying that this assembly device can also be used as a device for removing and attaching tones to parts other than guard panels.
（発明の効果）
以上説明したように、本発明のトーションバネの組立装
置によれば、押圧手段によりトーションバネの脚部を押
圧することにより迅速かつ確実に１・−ジョンバネを取
付部材に係合させることができる。従って本装置によれ
ば組立速度の高速化に対応することができるとともに、
トーションバネの形状が変化して、脚部への重心の偏り
が減少しても安定してトーションバネの取り付けを行な
うことができる。(Effects of the Invention) As explained above, according to the torsion spring assembly apparatus of the present invention, the 1-john spring is quickly and reliably engaged with the mounting member by pressing the leg portion of the torsion spring with the pressing means. can be done. Therefore, with this device, it is possible to respond to increased assembly speed, and
Even if the shape of the torsion spring changes and the center of gravity shifts toward the leg portion, the torsion spring can be stably attached.
第１図は本発明の一実施例によるトーションバネの組立
装置の斜視図、
第２図（ａ）、（ｂ）、（Ｃ）は押圧片の作動を説明す
る概略図、
第３図は本発明の他の実施例による１・−ジョンバネの
組立装置の斜視図、
第４図は従来の１・−ジョンバネの組立装置の斜視図、
第５図（ａ）、（ｂ）は自重により支軸と係合するトー
ションバネの状態を示す斜視図である。
トド−ジョンハネ
１Ｂ・・・コイル部
２・・・ガードパネル
３Ａ・・・軸部
７Ａ、７Ｂ・・・爪部
１０・・エアシリンダ
１２・・エアノズル
１Ａ・・・脚部
１Ｃ・・係合部
３・・・支軸
３Ｂ・コイル係止突部
８・・バネ移動手段
１１・・・押圧片Fig. 1 is a perspective view of a torsion spring assembly device according to an embodiment of the present invention, Fig. 2 (a), (b), and (C) are schematic diagrams illustrating the operation of the pressing piece, and Fig. 3 is a main FIG. 4 is a perspective view of a conventional 1.-John spring assembly device according to another embodiment of the invention. FIG. 5 (a) and (b) are It is a perspective view which shows the state of the torsion spring engaged with. Todojohane 1B...Coil part 2...Guard panel 3A...Shaft parts 7A, 7B...Claw part 10...Air cylinder 12...Air nozzle 1A...Leg part 1C...Engagement part 3... Support shaft 3B, coil locking protrusion 8... Spring moving means 11... Pressing piece
Claims (1)
ら連接されて該コイル部の半径方向に折り曲げた係合部
とからなるトーションバネを、前記コイル部を嵌着させ
うる円柱状の軸部と、該軸部の周面に該軸部と垂直方向
に植設されたコイル係止突部とからなる取付部材上に取
り付けるトーションバネの組立装置において、 前記トーションバネを把持して、前記係合部が前記コイ
ル係止突部と重なり合わない位置において前記軸部に沿
って移動させ、前記コイル部を前記軸部に嵌着するバネ
移動手段、および前記軸部に取り付けられた前記トーシ
ョンバネの前記脚部を押圧して該トーションバネを前記
軸部の周方向に回転させ、前記係合部を前記コイル係止
突部に係合させる押圧手段を備えたことを特徴とするト
ーションバネの組立装置。[Claims] A torsion spring consisting of a leg part, a coil part connected to the leg part, and an engaging part connected to the coil part and bent in the radial direction of the coil part, In an assembly device for a torsion spring mounted on a mounting member comprising a cylindrical shaft portion into which the shaft portion can be fitted, and a coil locking protrusion implanted on the circumferential surface of the shaft portion in a direction perpendicular to the shaft portion, a spring moving means that grips the torsion spring and moves it along the shaft portion to a position where the engaging portion does not overlap the coil locking protrusion, and fits the coil portion onto the shaft portion; Pressing means that presses the leg portion of the torsion spring attached to the shaft portion to rotate the torsion spring in the circumferential direction of the shaft portion and engage the engaging portion with the coil locking protrusion. A torsion spring assembly device characterized by:
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63182599A JPH0235231A (en) | 1988-07-21 | 1988-07-21 | Torsion spring assembling device |
| US07/379,133 US4959897A (en) | 1988-07-21 | 1989-07-13 | Torsion spring mounting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63182599A JPH0235231A (en) | 1988-07-21 | 1988-07-21 | Torsion spring assembling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0235231A true JPH0235231A (en) | 1990-02-05 |
Family
ID=16121103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63182599A Pending JPH0235231A (en) | 1988-07-21 | 1988-07-21 | Torsion spring assembling device |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4959897A (en) |
| JP (1) | JPH0235231A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695663A (en) * | 2017-10-23 | 2018-02-16 | 中船重工鹏力（南京）智能装备系统有限公司 | A kind of worm gear back-moving spring automatic assembling apparatus |
| CN109877571A (en) * | 2019-01-22 | 2019-06-14 | 新昌县开源汽车轴承有限公司 | A kind of semi-automatic pinch roller hub unit bolt special purpose machine tool |
| CN113231813A (en) * | 2021-05-10 | 2021-08-10 | 歌尔股份有限公司 | Assembly mechanism and earphone charging box assembly system |
| CN115283978A (en) * | 2022-09-07 | 2022-11-04 | 长兴佰菲特机械有限公司 | Auxiliary assembling equipment and process for self-suction type oil pump accessory |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5600195A (en) * | 1993-11-09 | 1997-02-04 | Homelite, Inc. | Flywheel rotor assembly with starter pawls |
| US5485666A (en) * | 1993-11-09 | 1996-01-23 | Homelite Inc. | Rotor assembly apparatus and method |
| JPH10193225A (en) * | 1997-01-10 | 1998-07-28 | Fuji Photo Film Co Ltd | Assembly method and assembly device for torsion spring |
| US6000501A (en) * | 1997-07-30 | 1999-12-14 | White Consolidated Industries, Inc. | Torsion winder |
| KR101462662B1 (en) * | 2008-10-16 | 2014-11-17 | 한국단자공업 주식회사 | Jig for torsion spring |
| CN103909394A (en) * | 2013-01-04 | 2014-07-09 | 苏州工业园区高登威科技有限公司 | Protective device for torsional spring assembling device |
| CN104319191B (en) * | 2014-10-27 | 2017-01-25 | 加西亚电子电器股份有限公司 | Hand shank automatic assembly device of miniature circuit breaker |
| CN104741904B (en) * | 2015-03-30 | 2017-01-18 | 咸阳衡源家居用品有限公司 | Spring rotating machine for automatically and accurately installing spring onto mechanical scale component |
| CN109048294A (en) * | 2018-07-27 | 2018-12-21 | 上海誉鸣自动化科技有限公司 | A kind of automatic torsion spring device for torsional spring |
| CN114310260A (en) * | 2021-12-29 | 2022-04-12 | 苏州特铭精密科技有限公司 | Charging port assembly assembling and detecting tool |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61121843A (en) * | 1984-11-19 | 1986-06-09 | Sony Corp | Spring grasping mechanism |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6210501Y2 (en) * | 1981-05-14 | 1987-03-12 | ||
| JPS61125747A (en) * | 1984-11-26 | 1986-06-13 | Tachikawa Spring Co Ltd | Automatic mounting device for tension spring |
-
1988
- 1988-07-21 JP JP63182599A patent/JPH0235231A/en active Pending
-
1989
- 1989-07-13 US US07/379,133 patent/US4959897A/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61121843A (en) * | 1984-11-19 | 1986-06-09 | Sony Corp | Spring grasping mechanism |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695663A (en) * | 2017-10-23 | 2018-02-16 | 中船重工鹏力（南京）智能装备系统有限公司 | A kind of worm gear back-moving spring automatic assembling apparatus |
| CN109877571A (en) * | 2019-01-22 | 2019-06-14 | 新昌县开源汽车轴承有限公司 | A kind of semi-automatic pinch roller hub unit bolt special purpose machine tool |
| CN113231813A (en) * | 2021-05-10 | 2021-08-10 | 歌尔股份有限公司 | Assembly mechanism and earphone charging box assembly system |
| CN113231813B (en) * | 2021-05-10 | 2022-03-25 | 歌尔股份有限公司 | Assembly mechanism and earphone charging box assembly system |
| CN115283978A (en) * | 2022-09-07 | 2022-11-04 | 长兴佰菲特机械有限公司 | Auxiliary assembling equipment and process for self-suction type oil pump accessory |
| CN115283978B (en) * | 2022-09-07 | 2023-12-26 | 长兴佰菲特机械有限公司 | Auxiliary assembly equipment and process for self-priming oil pump accessory |
Also Published As
| Publication number | Publication date |
|---|---|
| US4959897A (en) | 1990-10-02 |
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